References
- Orientales omnes Ecclesiae, Acta Apostolicae Sedis, AAS, Roma, Vaticano, 1946, 33
- Richard Cardinal Cushing, Pope Pius XII, St. Paul Editions, Boston, 1959
- Alberto Giovanetti, Pio XII parla alla Chiesa del Silenzio, Editrice Ancona, Milano, 1959, German Translation, Der Papst spricht zur Kirche des Schweigens,Paulus Verlag, Recklinghausen, 1959
- Jan Olav Smit, Pope Pius XII, London Burns Oates & Washbourne LTD, 1951
- Acta Apostolicae Sedis, Roma, Vaticano, 1939,1951
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